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The P300 event-related potential and its possible role as an endophenotype for studying substance use disorders: a review

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Abstract:

ABSTRACT

The concept of endophenotypes has gained popularity in recent years. This is because of the potential that endophenotypes provide of measuring objective trait markers that are simpler to access and assess than complex behavioral disease phenotypes themselves. The simplicity, ease of measurement and the putative links to the etiology of the disease in the study of an endophenotype has the potential promise of unraveling the genetic basis of the disease in question. Of the various proposed endophenotypes, the P300 component of the event-related potential has been used in studies on alcoholism, schizophrenia and externalizing disorders. The current state of knowledge regarding the concept of endophenotypes, P300 and the validity of P300 as an endophenotype with special reference to substance use disorders is discussed in this review. The implications of the above are discussed.

Keywords: Aetiology; P300; endophenotype; event-related; genetics; substance use disorders

Document Type: Research Article

DOI: https://doi.org/10.1111/j.1369-1600.2008.00124.x

Publication date: 2009-07-01

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